Dell 17" monitor is not turning on.

When i turn on my crt monitor its signal light turns green and after few seconds turn into orange and stays like that only.
i think the problem is in the CPU, but don't know exactly where. before calling an engineer what should i do to see if it can be fixed with little this and that....:)

1. Check the cable with the blue connector. Make sure it's plugged well to the back of the computer.

2. CHeck the light on the CPU's power button. If it's solid green, press the numlock key on the keyboard. Tell me, if the numlock light on the keyboard turned off or on. You can press it again if you didnt catch anything.

3. If there are no lights on the keyboard or the computer when you turn it on, the computer is the problem.

Just post here what lights are present or what happens when you press the numlock key.

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I assume that you already try this monitor on another PC to verify that the problem is in the monitor, in this case you need to open it up and inspect the fuse, transitors, solder connections on the power/inverter board, see failed Dell monitors here for guide: http://s807.photobucket.com/home/budm/allalbumsPost back what you see inside so we can guide you further.

Ive seen this on other monitors. Look for a 1 and 2. Some monitors do NOT auto detect a signal, and this one might not. Look for a way to set the monitor from Digital input to VGA input. Try that and see.

Your monitor is going into power saving mode. When it receives no video signal from the computer, it will stay powered for a few seconds before giving up and presuming the PC is off hence why it stays green for a while, then goes orange.

The light turning to orange means the monitor is not getting a signal from the computer. Check your monitor cable at both ends and make sure it is in very tight and secure at the computer end as well. Also check to see if the computer stays on when the light goes to orange on the monitor. The power cord for the computer might be loose.